Strand-guide for braiding-machines.



' A. PETERSFN-v STRAND GUIDE FOWBRMDING MACHINES.

' APPLICATION FILED APR. I1. I915.

-1 254, 066. Patented Jan. 22,1918,

ANKER PETERSEN, F WINTHROP, MASSACHUSETTS.

STRAND-GUIDE FOR BRAIDING-MACHINES.

To all ulwm it may concern:

Be i known that I, ANKER PETERSEN, a citizen of the United States, and resident of \Vinthrop, in the cminty of Suffolk and State of Massachusetts, have invented new and useful IIHPL'OVOIIIQHtS in Strand-Guides for Braiding-Machines, of which the following is a specification.

This invention relates to rotary braiding machines, and particularly to the strand guides or strand-carrying levers in machines of the general type described in Letters Patent of the United States No. 1,105,452, issued to me July 28, 1914. The

strand guides or levers set forth in my said former patent are stiff arms pivoted to standards carried on a revolvirig frame and oscillated up and do am by a stationarycam path to guide the. strands over and under the several thread carriers, which are re- "vo'ved by another frame in the opposite direction.

For a fuller description of a type of machine to which the present inventionis applicable, reference may be had to the aforesaid patent which will illustrate the envi-' ronment in which this invention is intended to operate. The present invention relates exclusively to the strand-carrying levers, and only such fragmentary parts of the machine as a whole will be herein described as are necessary to make clear the position of the levers in the machine.

f In the: accompanying drawings which illustrate one embodiment of the inven- Figure 1 is an elevation of my improved strand guideor lever;

Fig. 2 is a plan view of the same, showing its relation to the revolving frame and the operating cam;

F 3 is a section on line 3-3 of 13 1g.

. 2; and

Fig. 4 is a section on. line 4-4 of Fig. 1. A represents the periphery of the rotary frame which carries the several strand guides or levers, and B represents the stationary cam ring having acam path 6 for oscillating the strand guides up and down.

a as

The strand guide or lever as herein shown comprises two main sections, namely, a flat tempered steel spring 1, thebroader surface of which lies in a horizontal plane, and the guide arm 2 made of a thin strip of metal curved "to conform to the peripheryof the Specification of Letters Patent.

Patented Jan. 22, 1918.

Application filed April 11, 1916. Serial No. 90,503.

rotary frame, the broader surface of which extends in a vertical plane.

The arm 2 is bent or twisted to a quarter turn, and the turned part 3. at the rear end is riveted to the forward end of the spring 1 by rivets r, 4. The rear end of the spring l is secured between two leaf springs 5, 5,

strand T. On the outer face of the arm 2 a is mounted a swivel or rocking cam follower in the form of a wooden block 8, which travels in the cam path I) of the stationary cam ring 13 as the strand guides are revolved about the machine with the revolving frame A. The cam follower 8 is pivoted to rock on'a pin 9, which is made with an enlarged shoulder or hub 10 between the cam follower 8 and the arm 2, and projects through the arm 2 to which it isfastened by thehead 11. An eye or ring 12 is fastened to the boss (2 near the rear end of the strand guide. The strand or thread T passes from the cop or' other source of supply (not shown) through the eye 12, thence along the upper side of the spring 1 and around the front side-of the arm 2-and over the hub 10 between the arm 2 andthe cam followerS, through the notch 7 at the extremity of the strand guide, and thence to the center of the machine where the fabric is formed.

As the revolving frame A carries the strand. guides or levers about the machine, the strand guides are caused to vibrate u and down by thecam path I) and cam f0 lower 8 the spring lot the levers bending ,to permit such'vibration.

It will be understood that the cam path 6 carrymg lever is substantially coincident with the normal vibration which the lever would makeon spring 1 were such vibration started by deflecting thespring 1 and then vertical direction,

v relehsing the lever. Thus very little power is required to operate the strand guiding lever and very little wear either on the cam surface or the cam follower results. The device may be very lightly built, and instead of working on a pivot which wears rapidly on account of the rapid motion of the strand guide, the'vibration is permitted by the mere bending of the tempered steel spring 1. As the steel spring 1 is made in a separate piece from the rest of the lever it can be readily replaced by inserting a. new one in case it should break or become worn.

The part 2 having its broader dimension in a vertical plane, is sufficiently stiff in a so that the tension of the thread will not deflect it in a vertical direction, while the part 2' is snfiiciently resilient in a radialdirection, relative to the ma chine, to'yield a little under the tension of thread T, thereby preventing an y variation in tension from breaking the thread.

I claim:

1.- In combination movable frame and cam of a braidin machine, a strand-carrying lever rigidy se-' cured at one end to the frame, and a cam follower on the lever, said lever including a spring between the cam follower and the vrigid vsecurement to the frame, whereby the oscillation of the lever by the cam will be permitted by the bending of the spring.

2. In combination with the relatively movable frame and cam of'a braiding machine, a support on said frame, and a strandcarrying lever, comprising a flat spring sectlon at one end secured to said support, a relatively unyielding section at the freeend, and a cam-follower on the latter section, the

oscillation of the lever by the cam being permitted by bending the spring,

3. In combination with the relatively movable frame and cam of a braiding machine, a support on said frame, and a strand-carrym spring section at one end secured to said support, a relatively unyielding section at the free end, a cam-follower on the latter with the relatively:

lever comprising a flat section, the oscillation of the lever by the cam being permitted by bending the spring, and rein orcing leaf-springs overlying the end of the spring section which is secured to the support, i

4. In combination with the 'relhtively movable frame and cam of a braiding ma chine, a support on 'said frame, and a strand-carrying lever comprising a flat spring section at one end, having its broader imension disposed in a. horizontal plane and secured to said support, and afiat metal strip section atthe free end, havingits broader dimension disposed in a vertical plane.

5. In combination with the relatively movable frame and cam. of a braidinglmachine, a support on-said frame, and a and secured to said sn ort and a flat metal strip section at the co end, having its broader dimension disposed in. a vertical. plane, said lever being curved to conform to the curvature of said frame.

7. A strand-carrying lever comprising a flat steel spring rear section, and a forward section of strip metal, the rear end of which is twisted to a quarter turn andsecured to the forward end of the spring section, and the forward end of which is provided with a thread guiding notch.

Signed by me at Boston, Massachusetts, this 1st day of April, 1916.

ANKER PETERSEN. 

